The test results showed that adding virgin PP fiber could improve molding performance of the composite, but made the physical mechanical properties reduced.
试验结果表明，添加聚丙烯纤维有助于改善材料的模压性能，但导致材料物理力学性能下降。
Show that: the palm leaf fiber has good mechanical and physical properties and has a great value for further developing and studying.
结果表明，棕叶纤维具有良好的物理机械性能，具有进一步研究开发价值。
The influences of the amount and orientation of pretreatment polyester short fiber on the physical properties of the reinforced tread and its mixing characteristics were investigated.
研究了预处理聚酯短纤维用量、取向对其增强胎面胶混炼特性及物理机械性能的影响。
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